/Engine/Source/Runtime/NavigationSystem/Public/NavigationSystem.h
Constructs a navigation data instance of specified NavDataClass, in passed Level for supplied NavConfig. If Level == null and bSpawnNavDataInNavBoundsLevel == true then the first volume actor in RegisteredNavBounds will be used to source the level. Otherwise the navdata instance will be spawned in NavigationSystem's world
virtual [ANavigationData](API\Runtime\NavigationSystem\ANavigationData) * CreateNavigationDataInstanceInLevel ( const [FNavDataConfig](API\Runtime\Engine\AI\Navigation\FNavDataConfig) & NavConfig, [ULevel](API\Runtime\Engine\Engine\ULevel) * SpawnLevel )